An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Lai CI, Hung WJ, Lin LP, Chien WC, Lin JD.Lai CI, et al. Among authors: chien wc.Res Dev Disabil. 2011 May-Jun;32(3):1226-31. doi: 10.1016/j.ridd.2010.12.024. Epub 2011 Feb 23.Res Dev Disabil. 2011.PMID: 21349684
Chung CH, Lai CH, Chu CM, Pai L, Kao S, Chien WC.Chung CH, et al. Among authors: chien wc.BMC Public Health. 2012 Sep 6;12:744. doi: 10.1186/1471-2458-12-744.BMC Public Health. 2012.PMID: 22950416Free PMC article.